Computer Basics


There are different kinds of computers for different purposes. They are just as varied in size, expense, and ability as our more familiar 4-wheeled vehicles are.

What is a computer?


A computer is an electronic device that executes the instructions in a program. A computer has four functions:
a. accepts data

Input

b. processes data

Processing

c. produces output

Output

d. stores results

Storage


What makes a computer powerful?


speeding computer
speeding computer

Speed

A computer can do billions of actions per second.

SuperComputer
SuperComputer

Reliability

Failures are usually due to human error, one way or another. (Blush for us all!)

Desk Piled with files
Desk Piled with files

Storage

A computer can keep